Euro

• 1. Introduction

  ›

  The euro entered the world's financial markets on the 1st of January 1999, not as a coin or a note, but as an invisible number in a ledger. Three years later, on the 1st of January 2002, people across twelve countries woke up and spent a new currency for the first time. By March of that year, the old francs, marks, liras, and pesetas had vanished from daily life. Today, 358 million people in the eurozone carry euros in their pockets. More than 200 million others, from West Africa to Pacific islands, use currencies tied to its value. How did a currency that did not physically exist become the second most traded in the world? And what happens when twenty-one sovereign nations share a single monetary policy but retain the freedom to spend as they wish?

• 2. Naming a Currency

  ›

  Belgian Esperantist Germain Pirlot, a former teacher of French and history, sent a letter on the 4th of August 1995 to Jacques Santer, then President of the European Commission, proposing the name "euro." Pirlot is credited with that suggestion, though former German Federal Minister of Finance Theo Waigel claimed in 2017 on German television that he had invented and popularised the word himself that same year. The name was officially adopted on the 16th of December 1995 in Madrid.

  The currency sign, the familiar €, carries deliberate symbolism. The European Commission stated that it derives from the Greek letter epsilon, referencing the word "Europe," with two parallel lines added to signify stability. The final design emerged from a public survey that narrowed thirty original proposals down to two finalists. President Santer and European Commissioner Yves-Thibault de Silguy made the final choice between them.

  What became of the European Currency Unit, the ECU, which preceded the euro? The ECU was an accounting unit built from a basket of member-state currencies; it was not a currency anyone could spend. When the euro launched, every one ECU converted to exactly one euro. The exchange rates between the new euro and the old national currencies were fixed by the Council of the European Union on the 31st of December 1998, based on market rates that day. For the Greek drachma, which joined two years after the original eleven, the rate was set several months in advance rather than in the final hours.

• 3. Notes, Coins, and Their Designers

  ›

  Robert Kalina, an Austrian designer, created the visual language of euro banknotes. His original concept drew on real structures: the Rialto bridge in Venice and the Pont de Neuilly in Paris appeared in early drafts of the designs. Those references were subsequently made more generic, though the final notes still bear close resemblances to their specific prototypes. The front of every note shows windows or gateways; the back features bridges, representing links between EU states and with the future.

  Each denomination corresponds to a different era of European architecture. The five-euro note, grey in colour, evokes Classical architecture of the period spanning the 8th century BC through the 4th century AD. The red ten-euro note references the Romanesque period. Blue represents Gothic, orange Renaissance, green Baroque and Rococo, and the yellow-brown two-hundred-euro note covers Art Nouveau. The Europa series discontinued the five-hundred-euro denomination as of the 27th of April 2019, though both series remain legal tender.

  On the coin side, all denominations share a common face designed by Luc Luycx, showing the denomination and a map of Europe. The one-, two-, and five-cent coins retain a design from 2002 that shows only the EU member states of that year, raised slightly above the surrounding geography. Higher denominations updated their maps in 2007 or 2008 to include countries outside the EU. Each country also issues its own national reverse, and a euro coin from any eurozone state is accepted throughout the zone. Vatican euro coins have carried images of Pope Francis and Pope Benedict XVI.

• 4. Who Actually Uses the Euro

  ›

  Four European microstates that are not EU members hold formal monetary agreements with the EU: Andorra, Monaco, San Marino, and the Vatican City. All four have the right to mint their own euro coins. Two further countries, Montenegro and Kosovo, adopted the euro without any agreement, simply choosing it as their currency.

  The euro also circulates far beyond European borders. Cuba used it as a foreign trading currency from 1998. Syria adopted it from 2006. Venezuela from 2018. In 2009, Zimbabwe abandoned its own currency and introduced several major global currencies at once, including the euro. These unilateral uses outside any official EU framework affect nearly 3 million people directly.

  The reach extends further through currencies pegged to the euro. In Africa alone, 182 million people use a currency fixed to the euro's value. The West African CFA franc, used by eight nations including Senegal, Ivory Coast, and Mali, carries a fixed rate of 655.957 francs to one euro, inherited from its former peg to the French franc. The Central African CFA franc, shared by six countries including Cameroon and Gabon, holds the same fixed rate. The Cape Verdean escudo, once tied to the Portuguese escudo, now fixes at 110.625 escudos to one euro. Even the stamps of the Sovereign Military Order of Malta have been denominated in euros since 2005, while the Order's official currency, the Maltese scudo, remains pegged to the euro and is recognised as legal tender only within the Order itself.

• 5. The Economics of Sharing a Currency

  ›

  Robert Mundell proposed two models for what economists call an optimum currency area, a region where a single currency maximises efficiency. Mundell himself favoured his international risk-sharing model and concluded it supported the euro. Even before the currency launched, economists worried about diverging economies within the zone; those concerns gained urgency during the late-2000s recession.

  A study published in 2009 found that the euro increased trade within the eurozone by 5% to 10%, though a meta-analysis of all available studies found that positive estimates may reflect publication bias and the underlying effect could be negligible. Physical investment appeared to rise by about 5% in the eurozone, and intra-eurozone foreign direct investment stocks grew by roughly 20% in the first four years. The introduction of the euro accounted for an estimated 22% of the investment rate after 1998 in countries that previously held weak currencies.

  For ordinary travellers, the change was measurable: one study found that euro adoption increased tourist travel within the European Monetary Union by 6.5%. Banks in the eurozone are required to charge the same fees for cross-border electronic transactions within the zone as for purely domestic ones. The ECB set up a clearing system called T2 in March 2023 to handle large euro transactions efficiently.

  Yet sharing a currency removes a key tool of economic adjustment. When a country's wages rise faster than its productivity, its exports become uncompetitive. Normally a nation can let its currency weaken, making those exports cheaper again. Inside the eurozone, that option does not exist. The only path is reducing wages and prices directly, which can mean prolonged unemployment and falling incomes, as the euro area crisis demonstrated.

• 6. Crisis and Its Discontents

  ›

  The Maastricht Treaty set strict convergence criteria for countries joining the euro: budget deficits below 3% of GDP and accumulated debt below 60% of GDP. By 2004, both Germany and France, the two largest economies in the zone, had broken those rules for three consecutive years, as the writer John Lanchester noted in an article for The New Yorker.

  Fears of sovereign default emerged among investors in 2009, following the 2008 financial crisis, and became acutely tense in early 2010. Greece was most severely affected. Cyprus, Ireland, Italy, Portugal, and Spain were also significantly affected. All these countries drew on EU funds except Italy, which was itself a major contributor to the European Financial Stability Facility. The credit rating agency S&P subsequently downgraded nine euro-area countries, including France, and then downgraded the EFSF fund itself.

  The Economist Intelligence Unit argued in 2011 that if the euro area were treated as a single entity, its fiscal position looked no worse than, and in some respects better than, that of the United States or the United Kingdom. The budget deficit for the euro area as a whole was much lower, and the euro area's government debt as a share of GDP was roughly comparable to American levels. The unit concluded that the crisis was "as much political as economic," rooted in the euro area's lack of the institutional structures and mutual bonds of solidarity that characterise a state. Former British Foreign Secretary Jack Straw went further, claiming the eurozone could not survive in its current form.

  On the 13th of July 2022, the euro and the US dollar briefly traded at parity for the first time in nearly two decades. The Russian invasion of Ukraine was cited as a partial cause. In the decade ending the 30th of September 2025, the average rate had settled at approximately one dollar to 0.89 euros.

• 7. Governance and the ECB

  ›

  The European Central Bank, modelled on Germany's Bundesbank, holds sole authority over monetary policy for the eurozone. It targets inflation rather than exchange rates, a deliberate choice flowing from the Mundell-Fleming model, which implies that a central bank cannot simultaneously control interest rates and exchange rates without restricting capital flows. The euro's exchange rate therefore floats freely.

  The ECB issues 8% of the total value of euro banknotes; the national central banks issue the remaining 92%, in proportion to each country's share of ECB capital, which is calculated from national population and GDP in equal weight. All Eurosystem national central banks are required to accept banknotes put into circulation by any other member, and those notes are not sent back to their country of origin.

  The Maastricht Treaty was ratified in 1992, but Sweden joined the EU in 1995, after it was signed, and turned down the euro in a non-binding referendum in 2003. Sweden has since maintained its commitment to eventual adoption while deliberately not meeting the required monetary and budgetary criteria, effectively keeping its distance without a formal opt-out. Denmark negotiated an explicit opt-out and retained the krone, though the krone remains pegged to the euro through ERM II. Prior to its withdrawal from the EU in 2020, the United Kingdom had also held a formal opt-out for the pound sterling.

  In December 2021, the ECB announced plans to redesign euro banknotes by 2024. A theme advisory group, with one member from each eurozone country, was selected to submit proposals, which will be put to a public vote before a design competition is held.